Architecture comparison
E-Commerce
LatAm commerce/fintech giant; large in-house recommendation/fraud ML plus OpenAI for assistants.
E-Commerce
Migrated to Google Cloud; a Rails 'majestic monolith' sharded into pods over MySQL (Vitess) with Kafka. Shopify Magic/Sidekick AI uses OpenAI; storefront stack (Hydrogen/Remix) is open-source.